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Conference Paper
Quantum-Atom Optics Downunder
Wollongong Australia
December 3, 2007
Tuesday Session III (QTuC)

The EPR Effect and Nonlocality of a Single Photon

Steven Jones and Howard Wiseman

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The EPR effect, for a bipartite pure quantum system, is that “as a consequence of two different measurements performed upon the first system, the second system may be left in states with two different wavefunctions.” In a recent work [Phys. Rev. Lett. 98, 140402 (2007)] we provided an operational definition of this effect that works also for mixed states. Here we apply this concept to a split single photon state (|1,0>+|0,1>)/√2. Using only homodyne detection it seems impossible to violate a Bell inequality with this state. However, it is possible to demonstrate the EPR effect, even with substantial vacuum admixture.

© 2007 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.5260) Coherence and statistical optics : Photon counting
(270.0270) Quantum optics : Quantum optics
(270.6570) Quantum optics : Squeezed states

S. Jones and H. Wiseman, "The EPR Effect and Nonlocality of a Single Photon," in Quantum-Atom Optics Downunder, OSA Technical Digest (CD) (Optical Society of America, 2007), paper QTuC4.

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